Jessica has just moved to Denver, Colorado, from Orlando, Florida. What condition is she experiencing now that is stimulating the production of erythropoietin and, consequently, more red blood cells?
a. a change in diet, from deep fried comfort foods to healthy organic meals
b. a decrease in the number of existing white blood cells
c. increased oxygen concentration in the atmospheric air
d. hypoxia caused by an increase in her elevation above sea level
Answer: d. hypoxia caused by an increase in her elevation above sea level
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The extensor digitorum longus and extensor hallucis longus are in the ____________________ compartment of muscles that move the foot and toe.
Fill in the blank(s) with the appropriate word(s).
With the subject in the anatomic position, one can best see the dorsum of the manus from a(n) ______ view.
A. lateral ?B. superior ?C. inferior ?D. posterior ?E. anterior
Put the following events of the contraction cycle in the order in which they occur.
1. Cross-bridge detachment 2. Cross-bridge formation 3. Active site exposure 4. Myosin reactivation 5. Calcium ions bind troponin 6. Myosin head pivoting
What enzyme dissolves the clot as part of the healing process?
a. thrombin b. fibrin c. fibrinogen d. plasmin e. plasminogen